UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6qa/DBcf23LteBZOBE2+OZxO8tQ1QIRRsVqJjNYsG1g=' 
WHERE 
  key_id = '203811f55bf34fa2e9aed78447679b32d96b3bc0a73ca8c214c40807f293b999' 
  AND (
    token = '6qa/DBcf23LteBZOBE2+OZxO8tQ1QIRRsVqJjNYsG1g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )