INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '34503eb5bb61f4be852eba2ec2423d51dbec4e6f37a6f6a5a28678a56faccb20', 
    '6+WuZtVHBMuuZsS7QgkqUj/JjpZCvWt7CfzQjK52iEc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)