UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kG6zWa9YI0RH4y5IhSKqDyhPBi7CTCWtOQSeeuV4sfo=' 
WHERE 
  key_id = 'b4e412d3eed8966aef0b21a29f201ed0577cb885f055559f873f3de4f6461f9b' 
  AND (
    token = 'kG6zWa9YI0RH4y5IhSKqDyhPBi7CTCWtOQSeeuV4sfo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )