UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dBtY2Y43y3p6QZQCPRd9D7s56s9ZI21htFt6FKKiUTk=' 
WHERE 
  key_id = 'd0a008337aa212f1dcca0f93851bab0612f02b4c2f1ff45ba740f19aebb182f9' 
  AND (
    token = 'dBtY2Y43y3p6QZQCPRd9D7s56s9ZI21htFt6FKKiUTk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020