UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Hww+bIwkDW6xnDCTNNEKkXNFWBS1SgLLahb4KrkyBJA=' 
WHERE 
  key_id = '975e63dcf135f2caaed568eb4a09240c9b54fc18ad27c460892fff8bfa2f4660' 
  AND (
    token = 'Hww+bIwkDW6xnDCTNNEKkXNFWBS1SgLLahb4KrkyBJA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )