UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6WEGZ3CvnbLPG1BA5ykgmF9YND6L3j02M8PcARChHk=' 
WHERE 
  key_id = 'de4031ae8407c764a65acc85ce0dff840732c9714fa02d548af4dd319e3d5265' 
  AND (
    token = 'k6WEGZ3CvnbLPG1BA5ykgmF9YND6L3j02M8PcARChHk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )