INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50fafe6b2640e2df47f7d6042b31deee1c03a602d22bccb505e193c54ec31db2', 
    'MDmK2EejCynFSPCJySFlGwXQzgj/rA8P8G1U7WFN9bg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)