UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pa91yCCNfa8Kzww+SCzVU2nDRpe83pWcAP2L0A8wmCM=' 
WHERE 
  key_id = 'c252813abaecd2f1af2163f9effc097de625fed50b7fb8f35a724835137a0e02' 
  AND (
    token = 'Pa91yCCNfa8Kzww+SCzVU2nDRpe83pWcAP2L0A8wmCM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )