INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f15ad2fb909a4611d2a8a930741469efa2e5f144d0c7c8ae0e84d19d3c6b2d18', 
    'UnpHUDZ0vVRivJt71KNKck7iugdbE5U26/xrbTULomY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)