INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15cb3c75f8f4b884909a890f696c334afa139b1369af6919d5d2e507d416c969', 
    'A1S7oF0QuFznfVwdAFLE88ltNX2D+kJFBCd0nGx5Gcc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)