UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7LZgeoyS1r1MQsw+kSuhI5STqprQFIoRWwAE0Ys7DKY=' 
WHERE 
  key_id = '51e40728b71344700c1b3edc38ccd208231a6bde7732b321ff1c68873d67d113' 
  AND (
    token = '7LZgeoyS1r1MQsw+kSuhI5STqprQFIoRWwAE0Ys7DKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )