UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A9x+2rdClX368NdLqnlp7llNWj8FaqTBGSbbf/tE834=' 
WHERE 
  key_id = '53e355b82d4b4063169d10b270e2e23e1bc0a99b6c07021b02e50a55db1cc0b2' 
  AND (
    token = 'A9x+2rdClX368NdLqnlp7llNWj8FaqTBGSbbf/tE834=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )