UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6dMTB9au9mbjzdRFyvP2EGxzoBfk1Lg2MB0AlZT+Fus=' 
WHERE 
  key_id = '8e82d8ccc5426fbec4d64074ab56fde78d13e5e844b557bcdb4d950c6301ffd4' 
  AND (
    token = '6dMTB9au9mbjzdRFyvP2EGxzoBfk1Lg2MB0AlZT+Fus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )