UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'GrTrSqb8h9pC7IqvhbEWfc/AxvxctiIxod0/T+DqvyA=' 
WHERE 
  key_id = '2c34c39a6fbb10a9921e90cf53fbeb4709a815e6d39c34110d3c0145dd1db622' 
  AND (
    token = 'GrTrSqb8h9pC7IqvhbEWfc/AxvxctiIxod0/T+DqvyA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )