UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's4DJ38LtVQujVPoOE0OrIP73gRx4stuaX75eamnOEqc=' 
WHERE 
  key_id = '2eab8516e4e099f91e4e3640323ee49b7b031efe7500b6336d6e6d346d91ed98' 
  AND (
    token = 's4DJ38LtVQujVPoOE0OrIP73gRx4stuaX75eamnOEqc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )