UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4Y6qGzMxaga6ki+xDK0yDuEr3sDht7sivl+ZnjkIRs=' 
WHERE 
  key_id = 'a9b0b51db05d1a9630e6fb9e141bee7e58f7c853683e15c346837c6012349d2a' 
  AND (
    token = 'U4Y6qGzMxaga6ki+xDK0yDuEr3sDht7sivl+ZnjkIRs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )