mysql - Whats wrong with this SQL query? Syntax error -

this question has answer here:

• using reserved words in column names 2 answers

and error im getting

you have error in sql syntax; check manual corresponds mysql server version right syntax use near 'key = (tick)testkey(tick)'

select * keys key = 'testkey'; 

i tried site isn't help. http://www.piliapp.com/mysql-syntax-check/ ticks , apostrophe.

this sql passes syntax check @ link provided:

select * `keys` `key` = 'testkey';