UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PMKALwRAUctqOId0ms+rdjMIU0IS7+xu12AO/uv/6mY=' 
WHERE 
  key_id = '75bde2c9702a5e17e73448695a69c1b0f212ddc887eaf64e67eed900e616480d' 
  AND (
    token = 'PMKALwRAUctqOId0ms+rdjMIU0IS7+xu12AO/uv/6mY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )