UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mQwnrMflzu7Uk6jAGp1j2gr+RSDu2xWbqOxt2m1ArPw=' 
WHERE 
  key_id = '69f80697a79aa4b8f84d93978c2a11022a9a1ebc479f246ac13b69ff24426c8b' 
  AND (
    token = 'mQwnrMflzu7Uk6jAGp1j2gr+RSDu2xWbqOxt2m1ArPw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020