UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '878un8K7nH5gt2Fua55pqjlCcrjAZfsdf8zu9vHBlXc=' 
WHERE 
  key_id = '0060e73e0a916ad863da9c25625049a9fe011e52992448e8f439a13891c64b7f' 
  AND (
    token = '878un8K7nH5gt2Fua55pqjlCcrjAZfsdf8zu9vHBlXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030